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Current does not enter coil#4,5and6 what could be the possible causes

Current does pass into coil#1,2and 3 but does not enter coil #4,5and6

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Check wiring and plug on the ECM unit.

Posted on Jan 02, 2014

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Third coil pack in 8 months on my 2003 Ford Windstar, any suggestions on why this would keep happening?


You will need to consider whether it is the primary or secondary side of that coil that fails if possible. A primary side failure could be a failing engine control module causing excessive current to the coil causing it to burn out or internally short. If it is a secondary side failure, the issue is still high current, because the spark voltage is not delivered straight to the plug caused by leakage of the spark in the plug wire to ground, or plug gaps that are too close. Some coils are wired to fire two plugs simultaneous, one upon compression and one (probably) during exhaust in a series circuit, so check both gaps on that coil. And the other possibility is caused by not using resistance plug wires in favor of solid copper and non-resistive plugs as well, causing the secondary current to be very high.

I can't reason why any sensor would cause the coil failure. The basics for coil operation is a quick pulse of voltage to the primary causes a induction of voltage in the secondary when the voltage is removed from the primary. Usually the current in the primary is quite high to create the magnetic field for the secondary. It was the same for old point & condenser distributors as it is now for solid state controls. The problem now is that the solid state MOSFET's used in place of points can develop internal leakage or short altogether. This takes out the coil pack because of the ECM failure.

You are using Autolite plugs right? I find OEM plugs work best rather than trying things like Iridium or other performance options.

I forget which pack went out on my Freestar, but it was OEM coil pack, OEM plug sires & OEM plugs all the way!

Jan 23, 2016 | 2003 Ford Windstar

1 Answer

No current coming to both the injectors and ignition coils what could be the possible cause ?


Check the fuses first. You should have 12 volts to both with the key on. Both rely on the ignition switch for power. Depending on the year is where things get tricky. Just a note. One is not related to the other. They are on separate curcuits.

Jan 11, 2015 | Nissan Cars & Trucks

1 Answer

2004 Dodge Stratus 2.4 DOHC. Turns over, won't start. Was misfiring and barely running. Code showed P0300, P2302, P2305, P0700. Found Coil Pack had a burned spot near the #2 wire and large crack between #2...


Hey Brian, please don't loose your calm! You CAN fix it!.

Look for a timing belt with a skipped tooth.
Another possibility is that your sparkplugs are not properly gapped or their internal resistor got damaged. (A too large gap will make spark too hard to jump, which ended burning the hole you saw. A too large gap is very difficult to jump and places a tremendous effort on the coil and plug cables. Some times resistor type sparkplugs get the resistor damaged or open, at first, the open circuit can be jumped (inside the damaged plug body) easily, but as gap grows, it will cause an excessive voltaje to damage the coil or wires.


An engine starter that drains too much current means that it is damaged and possibly its bearings are too worn, which places a lot of friction on them, and the por electric motor then has to draw a lot of amperes to turn, draining the battery. Bad starter cable or ground connection causes a high voltaje drop to the starter motor, lowering the cranking speed, difficulting engine starting too.

Finally, a NO SPARK with no voltaje at coil primary means the DIS module that supplies current to the coil went bad, possibly because the too high voltaje leaked from the sparkplug end of the coil into the DIS module, damaging its internal semiconductors.

So, you need to FIX the sparkplugs, then cables, then check the coil, connectors, and, when everything on the High Voltaje side is perfectly OK and cannot damage any newly installed replacement parts, then you can go and check/replace the DIS module. Hopefully, the leaked high voltaje didn't damage the computer or Engine control module, as it is expensive. Best luck, Amclaussen.

Oct 04, 2013 | 2004 Dodge Stratus

1 Answer

I checked the fuse for my horn and it is good why doesnt it work?


1. Contact ablation: if the horn is easy to cause the speaker for a long time contact ablation and impedance, through the electromagnetic coil current, electromagnetic suction falling cannot attract armature drive diaphragm normal vibration, sound hoarse, not even ring. But the horn, if strong current through the resistance moment can still work normally, so when I will be good. 2. Untight seal is easy to be affected with damp be affected with damp, while a speaker is airtight, but if the untight seal washing the car when entering the fog or internal space have water vapor in the air, water vapor is easy to cause contact be affected with damp be affected with damp cannot work normally. 3. The electromagnetic coil terminal poor contact,
want know more go this web

Apr 01, 2013 | 2004 Hyundai Santa Fe

1 Answer

F150 engine cranks but no start


if you have a coil check that you have power to it 12 volt. if you have efi check for a code fault when checking the coil check that there is current at both terminals to ensure current is passing through the coil. Check that you have the correct voltage coil fitted as if you have fitted a 12 v resisted coil with out the resistor it is possible the coil is r/s

Jan 11, 2013 | Ford F-150 Cars & Trucks

1 Answer

Heater blower dont work from 1 to 3 speed


Most likely cause is the blower motor resistor block. 1,2and 3 go through the resistor forth speed is is full blast therefore bypasses the resistor being the only speed setting that works when the resistor has failed

Jun 13, 2012 | 2004 Ford F150

2 Answers

I have a 02 dodge grand caravan sport with 0351,0352,0700 codes...car runs good then shakes and even stalls at times,but not all the time...i have replaced ignition coil,wires,plugs,and catalytic...


po700 code just means you have codes
P0351-IGNITION COIL #1 PRIMARY CIRCUIT

WHEN MONITORED
With battery voltage greater than 8 volts during engine cranking or greater than 13 volts with engine running. Engine RPM less than 3000. No coil in dwell during test.

SET CONDITION
Peak current is not achieved with battery based dwell plus 1.5 msec of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while running to set.

POSSIBLE CAUSES
- Ignition coil
- Intermittent condition
- ASD relay output circuit
- Ignition coil driver circuit open
- Ignition coil driver circuit shorted to ground
- PCM

P0352-IGNITION COIL #2 PRIMARY CIRCUIT

TEST NOTE
This symptom is diagnosed using the test P0351-IGNITION COIL #1 PRIMARY CIRCUIT.

WHEN MONITORED
With battery voltage greater than 8 volts during engine cranking or greater than 13 volts with engine running. Engine RPM less than 3000. No coil in dwell during test.

SET CONDITION
Peak current is not achieved with battery based dwell plus 1.5 msec of diagnostic offset. It takes less than 3 seconds during cranking or up to 6 seconds while running to set.

POSSIBLE CAUSES
- Ignition coil
- Intermittent condition
- ASD relay output circuit
- Ignition coil driver circuit open
- Ignition coil driver circuit shorted to ground
- PCM
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Jun 14, 2011 | 2002 Dodge Grand Caravan

1 Answer

How do I change out the head light switch on 1992 geo storm


The headlight switch on this car may be changeable, but are you having a problem with the headlights working at all?

If so, then the following may be helpful:
---
REMOVAL & INSTALLATION Spectrum The headlight control switch is a 3 position, push type switch which is located at the left side of the instrument panel.
  1. Disconnect the negative battery cable. Remove the instrument cluster bezel retaining screw and the bezel.
  2. Disconnect the electrical connectors.
  3. Place the bezel on a bench and remove the 2 nuts securing the headlight control switch.
  4. Remove the headlight control switch.
  5. To install, reverse the removal procedures.
Storm The headlight control switch is located at the left hand side of the instrument panel on the meter hood.
  1. Disconnect the battery negative cable.
  2. Remove the meter hood.
  3. Remove the instrument cluster from the meter hood.
  4. Remove the 2 clips attaching headlight control harness.
  5. Remove the 4 screws attaching the headlight switch to the meter hood.
  6. Disconnect electrical connectors from the switch and remove the switch.
  7. Reverse procedure to install. Connect battery negative cable.
prev.gif next.gif ---
SWITCHES & RELAYS Switches are used in electrical circuits to control the passage of current. The most common use is to open and close circuits between the battery and the various electric devices in the system. Switches are rated according to the amount of amperage they can handle. If a sufficient amperage rated switch is not used in a circuit, the switch could overload and cause damage. Fig. 1: The underhood fuse and relay panel usually contains fuses, relays, flashers and fusible links tcca6p02.jpg
Some electrical components which require a large amount of current to operate use a special switch called a relay. Since these circuits carry a large amount of current, the thickness of the wire in the circuit is also greater. If this large wire were connected from the load to the control switch, the switch would have to carry the high amperage load and the fairing or dash would be twice as large to accommodate the increased size of the wiring harness. To prevent these problems, a relay is used. Relays are composed of a coil and a set of contacts. When the coil has a current passed though it, a magnetic field is formed and this field causes the contacts to move together, completing the circuit. Most relays are normally open, preventing current from passing through the circuit, but they can take any electrical form depending on the job they are intended to do. Relays can be considered "remote control switches." They allow a smaller current to operate devices that require higher amperages. When a small current operates the coil, a larger current is allowed to pass by the contacts. Some common circuits which may use relays are the horn, headlights, starter, electric fuel pump and other high draw ciruits. Fig. 2: Relays are composed of a coil and a switch. These two components are linked together so that when one operates, the other operates at the same time. The large wires in the circuit are connected from the battery to one side of the relay switch (B+) and from the opposite side of the relay switch to the load (component). Smaller wires are connected from the relay coil to the control switch for the circuit and from the opposite side of the relay coil to ground tcca6g02.gif
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Sep 13, 2010 | 1992 Geo Storm

1 Answer

SV10 - V6 - Camry no power is getting to my fuel pump the fuse is ok and fuel pump works i can not find a fuel cut or fuel relay. A postion exists however its not in use. All I did was jack it up rotate...


SWITCHES & RELAYS Switches are used in electrical circuits to control the passage of current. The most common use is to open and close circuits between the battery and the various electric devices in the system. Switches are rated according to the amount of amperage they can handle. If a sufficient amperage rated switch is not used in a circuit, the switch could overload and cause damage. Fig. 1: The underhood fuse and relay panel usually contains fuses, relays, flashers and fusible links tcca6p02.jpg
Some electrical components which require a large amount of current to operate use a special switch called a relay. Since these circuits carry a large amount of current, the thickness of the wire in the circuit is also greater. If this large wire were connected from the load to the control switch, the switch would have to carry the high amperage load and the fairing or dash would be twice as large to accommodate the increased size of the wiring harness. To prevent these problems, a relay is used. Relays are composed of a coil and a set of contacts. When the coil has a current passed though it, a magnetic field is formed and this field causes the contacts to move together, completing the circuit. Most relays are normally open, preventing current from passing through the circuit, but they can take any electrical form depending on the job they are intended to do. Relays can be considered "remote control switches." They allow a smaller current to operate devices that require higher amperages. When a small current operates the coil, a larger current is allowed to pass by the contacts. Some common circuits which may use relays are the horn, headlights, starter, electric fuel pump and other high draw circuits. Fig. 2: Relays are composed of a coil and a switch. These two components are linked together so that when one operates, the other operates at the same time. The large wires in the circuit are connected from the battery to one side of the relay switch (B+) and from the opposite side of the relay switch to the load (component). Smaller wires are connected from the relay coil to the control switch for the circuit and from the opposite side of the relay coil to ground tcca6g02.gif
prev.gif next.gif --- I am not aware of an inertia switch on Toyota vehicles. I don't think it's like a ford. Look for a fusible link, fuse, or relay problem.

Jul 26, 2010 | 1996 Toyota Camry

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